arch/arm64/boot/dts/qcom/sc8280xp-microsoft-blackrock.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-blackrock.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/sc8280xp-microsoft-blackrock.dts
Extension
.dts
Size
25213 bytes
Lines
1327
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: BSD-3-Clause
/*
 * Copyright (c) 2021, The Linux Foundation. All rights reserved.
 * Copyright (c) 2022, Linaro Limited
 * Copyright (c) 2023, Merck Hung <merckhung@gmail.com>
 * Copyright (c) 2023, 2024 Jens Glathe <jens.glathe@oldschoolsolutions.biz>
 */

/dts-v1/;

#include <dt-bindings/iio/qcom,spmi-adc7-pm8350.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/gpio-keys.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>

#include "sc8280xp.dtsi"
#include "sc8280xp-pmics.dtsi"

/ {
	model = "Windows Dev Kit 2023";
	compatible = "microsoft,blackrock", "qcom,sc8280xp";
	chassis-type = "desktop";

	aliases {
		i2c4 = &i2c4;
		i2c21 = &i2c21;
		serial1 = &uart2;
	};

	wcd938x: audio-codec {
		compatible = "qcom,wcd9380-codec";

		pinctrl-0 = <&wcd_default>;
		pinctrl-names = "default";

		reset-gpios = <&tlmm 106 GPIO_ACTIVE_LOW>;

		vdd-buck-supply = <&vreg_s10b>;
		vdd-rxtx-supply = <&vreg_s10b>;
		vdd-io-supply = <&vreg_s10b>;
		vdd-mic-bias-supply = <&vreg_bob>;

		qcom,micbias1-microvolt = <1800000>;
		qcom,micbias2-microvolt = <1800000>;
		qcom,micbias3-microvolt = <1800000>;
		qcom,micbias4-microvolt = <1800000>;
		qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000 500000>;
		qcom,mbhc-headset-vthreshold-microvolt = <1700000>;
		qcom,mbhc-headphone-vthreshold-microvolt = <50000>;
		qcom,rx-device = <&wcd_rx>;
		qcom,tx-device = <&wcd_tx>;

		#sound-dai-cells = <1>;
	};

	dp3_connector: connector {
		compatible = "dp-connector";
		label = "DP-3";
		type = "mini";

		dp-pwr-supply = <&vreg_misc_3p3>;

		port {
			dp1_connector_in: endpoint {
				remote-endpoint = <&mdss0_dp2_out>;
			};
		};
	};

Annotation

Implementation Notes